123331001003 has 8 divisors (see below), whose sum is σ = 143053443072. Its totient is φ = 104134490856.

The previous prime is 123331000987. The next prime is 123331001021. The reversal of 123331001003 is 300100133321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123331001003 - 2⁴ = 123331000987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123331000003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131482475 + ... + 131483412.

It is an arithmetic number, because the mean of its divisors is an integer number (17881680384).

Almost surely, 2^123331001003 is an apocalyptic number.

123331001003 is a deficient number, since it is larger than the sum of its proper divisors (19722442069).

123331001003 is an equidigital number, since it uses as much as digits as its factorization.

123331001003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262965961.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 123331001003 its reverse (300100133321), we get a palindrome (423431134324).

The spelling of 123331001003 in words is "one hundred twenty-three billion, three hundred thirty-one million, one thousand, three".